Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu danh » dieu danh, tiep danh, thien danh
trinh han » trinh quan
han thong » han thuong, hang thong, nhan thong
luong tai » dung tai, luong va
cong tac » cong ty
toan cao » toan ban
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu danh - hanh trinh han thong ((cong tac) or (luong tai)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu danh - hanh trinh han thong ((cong tac) OR (luong tai)) ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu danh - hanh trinh han thong ((cong tac) or (luong tai)) ((toan cao) or (toan tap))*.